Traditional collars can irritate a Minskin's exposed skin, so a well-fitted harness is generally the better choice for any situation requiring restraint or identification. Look for harnesses made from soft, breathable materials with flat seams that won't chafe bare skin. Vest-style designs that distribute pressure across the chest and shoulders are more comfortable and more escape-proof than strap-only models, which a small, flexible cat can wriggle out of surprisingly easily.
Sizing is critical for a breed this small. Most cat harnesses are designed for animals in the eight-to-twelve-pound range, which means a three-to-six-pound Minskin may swim in a standard small. Measure your cat's chest circumference just behind the front legs and compare it against the manufacturer's size chart — don't guess based on the size label alone. An adjustable harness with multiple points of tightening gives you the best chance of a secure, comfortable fit.
If you prefer a collar for ID purposes, choose a breakaway design that releases under pressure if the cat snags it on furniture or fencing. Line the interior with a soft fabric sleeve or moleskin strip to protect the neck from friction. Keep the collar loose enough to slide two fingers underneath but tight enough that it can't slip over the head. Check the fit weekly, as collars can shift on a cat without a thick fur buffer.
Leash training a Minskin is entirely feasible — they're intelligent and adaptable — but start indoors with short sessions before moving outside. Use a lightweight leash that doesn't add drag or weight the cat has to fight against. Retractable leashes are generally a poor fit for cats because the constant tension and sudden stops can startle them. A simple four-to-six-foot nylon or cotton leash gives you enough control without overwhelming a small animal.