TRUHK Brief STP/Packing Underwear - Light Gray Size:XS the Twist Kit is a

the Twist Kit is a fun

This will help prevent the shaft from continual rubbing on the O-Ring which may tear the softer silicone

5" diameter x 9

Quick Tip: We recommend applying a water based lubricant to the silicone erection rod before insertion for ease of insertion

TRUHK Brief STP/Packing Underwear - Light Gray Size:XS the Twist Kit is aTake the guesswork out of matching your STP and packers with underwear. TRUHKS are designed to mix and match with ease. Based on traditional men's sizing, the TRUHK Brief STP Packing Underwear has a unique 3 layer pocket to securely hold your STP soft packer in place. Layer 1 (Interior pocket): Securely tuck in your STP packer. Layer 2 (Center panel): O opening to pull the shaft through and keep your STP packer from turning. Layer 3 (Exterior pocket):