Guide to Buying & Wearing Your First Penis Cage
1) Safety first (non-negotiable)

Medical check: If you have diabetes, neuropathy, circulation issues, recurrent UTIs, phimosis, or piercings that aren’t fully healed, talk to a clinician first.

Stop immediately if you see persistent pain, numbness, cold/blue/purple skin, deep indentations, or swelling that doesn’t subside in minutes after removal.

Hygiene: Daily cleaning for beginners; rinse after every urination if possible. Pat dry (don’t trap moisture).

Emergency plan: Keep a spare key or coded plastic seal you can cut, plus small bolt cutters/scissors for padlocks if you misplace keys.

Consent & communication with partners—agree on safewords and emergency release rules.

2) Getting your measurements right

Grab a soft tape, measure when completely flaccid and comfortably warm:

Base ring diameter (most important fit):

Wrap the tape behind the scrotum and in front of the pubic bone, where the ring will sit.

Typical first-ring sizes: 40–50 mm in 5 mm increments. Start with 45 mm if you’re average; size down if the ring can spin easily; size up if you get tingling or coldness.

Cage/tube length:

Measure from the top of the base ring to the tip of the glans when flaccid, without compressing.

Beginners do well with cage length ≈ your flaccid length minus ~5–10 mm (a tiny “kiss” of the tip to the end).

Internal cage diameter:

Many starters use 33–36 mm ID. If you’re wider, pick 38–40 mm. Too narrow = edema and painful “mushrooming”; too wide = easy pull-out.

Spacers & gap: The gap between ring and cage (often set by spacers) keeps the scrotum safe. Beginners usually choose mid-range gaps; adjust smaller only when you’re sure you’re not pinching.

3) Cage types & how they feel
By overall size/coverage

Standard size: Balanced security and hygiene. Good airflow if slotted or barred.

Mini size: Shorter tube for compactness under clothing; can increase retraction pressure if sized too short.

Micro: Very short tube intended to “hug” the base and minimize length. Discreet but can be unforgiving if sizing is off; hygiene is critical.

Inverted/“inside-out” styles: Some designs invert or compress the shaft inward for extreme compactness; better for experienced users who know their limits.

By structure & retention

Trapped-ball (most common): A base ring behind the scrotum and a cage over the shaft. Easiest to fit; huge variety.

PA-anchored (Prince Albert): Uses a piercing as the anchor (ring or pin). Highest anti-pullout security, but piercing must be fully healed; not for beginners.

Anti-pullout features: Spikes, teeth, or grippy inserts. Can cause injury—avoid early on.

Open vs. closed tubes

Open/barred: Better airflow, easier cleaning, less odor; urine can spray—aim with care.

Closed/vented: More concealment; warmer, moister environment—cleaning discipline required.

4) Materials: pros, cons, who should pick what

Stainless steel

Pros: Durable, hypoallergenic (316L), great weight (feels secure), easy to sanitize, precise tolerances.

Cons: Heavier; can set off metal detectors (usually fine domestically but expect secondary screening).

Best for: Long-term durability, precise fit.

Titanium

Pros: Strong, very light, good for nickel sensitivity, less detector fuss.

Cons: Pricey; fewer off-the-shelf sizes.

Best for: Sensitive skin + travel + light feel.

Aluminum

Pros: Light, inexpensive.

Cons: Coatings can chip; edges must be well-finished.

Best for: Budget lightweights; inspect for finish quality.

Plastics (polycarbonate/ABS)

Pros: Light, travel-friendly; plastic security seals for key-holding; non-metal detectors.

Cons: Can crack under stress; can retain odor if not cleaned well.

Best for: Beginners, travel, discrete security seals.

Silicone/TPE

Pros: Soft, flexible, very forgiving on sizing and nocturnal erections.

Cons: Harder to keep dry, more odor over time, lower “security.”

Best for: First-week acclimation, sensitive skin, sleep trials.

3D-printed nylon (PA12)

Pros: Lightweight, breathable, customizable geometry.

Cons: Slight surface porosity—needs diligent washing; finish quality varies.

Best for: Custom sizing; airy designs.

Most shops (including the Male Chastity Store at koalaswim.com) will list ring sizes, cage length/ID, spacer kits, and lock types for each model—use those specs to match your measurements.

5) Locks & security

Integrated barrel locks: Sleek, low-profile; no jangling.

Mini padlocks: Simple and cheap; watch for nickel allergies and sharp corners.

Numbered plastic security seals: Great for keyholder verification and travel; cut to release.

6) Discretion & daily life

Under clothes:

Choose micro/mini or well-vented designs for office wear.

Boxer-briefs with light compression keep everything centered.

Urination:

Open-bar designs are easiest. Sit to pee for accuracy. Keep a pocket squeeze bottle for quick rinse.

Showering & cleaning:

Use unscented soap and lukewarm water; rinse thoroughly; dry with cool air or a microfiber towel.

For metal, a periodic boil or alcohol wipe (if lock removed) helps. For plastics/silicone, avoid harsh solvents.

Workouts:

Start with short, low-impact sessions. Supportive underwear helps.

Sleep:

Nocturnal erections are normal; if the ring bites or you lose sensation, remove immediately and size-adjust.

Travel:

Prefer plastic or titanium; carry cutting tool/seal release if checked baggage only. Expect pat-downs—be polite and brief.

7) A beginner’s buy list (what to order)

From a store with multiple models (e.g., koalaswim.com’s Male Chastity Store), look for:

One “forgiving” starter

Silicone or ventilated plastic/nylon, mid-length cage, 45 mm base ring (or closest), mid gap spacer kit, integrated lock or plastic seals.

One “keeper” rig in metal

Stainless or titanium, same ring & tube specs if the starter felt right. Get at least 2 ring sizes (e.g., 45 & 40 mm) and a spacer kit.

Accessories

Water-based gel lube (fragrance-free).

Antibacterial wash (gentle).

Security seals (if you do keyholder play).

Travel pouch + small towel + pocket rinse bottle.

Optional: hair trimmer for the ring area.

8) How to put it on (trap-ball style)

Shower first, dry completely.

Base ring on first: pull the scrotum through, then the shaft; settle the ring high and snug.

Lube lightly (shaft, inside of tube, and a dot at the meatus).

Slide into the cage slowly; guide skin to avoid pinches.

Connect cage to ring; choose a medium spacer to start.

Lock, then walk around 10–15 min. Check color, warmth, and sensation. Adjust if you feel sharp pinches or coldness.

9) Break-in schedule (first 2–3 weeks)

Days 1–3: 1–3 hours at a time, at home. Remove if any numbness/blue tone.

Days 4–7: 4–6 hours. Try light errands. Clean after each wear.

Week 2: 8–12 hours; test sleep only if zero issues.

Week 3: 24-hour stints with daily cleaning checks.

Only after a clean month should you try multi-day or “locked-weekend” plans.

10) Comfort tweaks

Hot spots/chafing: A thin smear of lanolin or water-based gel on the ring contact points.

Ball pull-through: Slightly smaller ring or smaller spacer gap.

Urine spray/odor: More open design, better rinse routine, add vent holes if your model allows.

Edema at the tip: Cage too narrow/short; size up diameter or length.

Pinching at hinge (on hinged rings): Switch to solid ring.

11) Security expectations

Beginner rigs (silicone/plastic, no piercing): “Deterrent” security—comfortable but pull-out is possible if you try.

Tighter metal with good gap: Harder to escape, suitable for day-long wear.

PA-anchored: High security, advanced only.

Remember: Comfort and skin health > “perfect security.” A safe, consistent fit is more sustainable than an extreme setup.

12) Cleaning & maintenance

Daily: Warm water rinse; pat dry.

Every 1–2 days: Soap wash (unscented). Cotton swab around joints.

Weekly (metal): Deeper clean; inspect for burrs/scratches.

Monthly: Check locks, seals, spacers. Replace worn silicone parts.

13) Partner dynamics & agreements

Align on goals (kink, focus, behavioral reminder, denial play, gender exploration, etc.).

Set unlock rules (health overrides always).

Use check-ins: “Fit OK? Any numbness? Cleaning done?”

Consider numbered seals for simple accountability without risking lost keys.

14) Red flags (take it off now)

Cold skin, blue/purple color, numbness/tingling that lasts >1–2 minutes.

Deep creasing or blistering.

Burning urination, fever, or malodor that persists after thorough cleaning.

15) Quick checklist for your first purchase

Base ring kit with two sizes (e.g., 45 & 40 mm)

Cage length ≈ flaccid length minus 5–10 mm

Internal diameter 33–36 mm (or upsize if thick girth)

Spacer kit (to tune the gap)

Open/vented design for hygiene (at least at first)

Integrated lock or plastic seals

Water-based gel lube + gentle wash + pocket rinse bottle

Discreet pouch; spare key plan

Using the Male Chastity Store at koalaswim.com

When browsing their Male Chastity Store, compare size charts, ring/cage dimensions, spacer options, and material notes across models. Start with a vented beginner-friendly design and a metal “keeper” once your fit is dialed in. Check for discreet shipping/returns and whether they offer extra ring sizes or custom spacer kits—both are invaluable in the first month.

Male Chastity Store