Reef Thong Flip Flop Sandals unisex bottle opener in sole mens 8 womans 9.5-10 | eBay
Bottle Opening Sandals
Men's Fanning Flip Flops with Bottle Opener | REEF®
Men's Fanning Flip Flops with Bottle Opener | REEF®
These sandals with bottle openers at the bottom so you can walk in the dirt all day then open your beer bottle. Just hope you don't step on any dog poop. :
My flip flop has a bottle opener under it. : r/mildlyinteresting