many types of keychains.  simple strap, snap strap, acrylic, and bottle opener.  the simple strap is just two split rings with strap.  the snap strap is held together by a gunmetal snap.  the acrylic is made with epoxy resin poured by hand and will feature a different split ring than shown in the pictures.  the bottle opener features a silicone wrap for an easy grip.  prices vary.  

pairs nicely with #15 carabiner, #04 socket tool, #02 wax bag, #06 allen pouch, and #10 stretchy belt