Why Do Hospital Socks Have Grips on Both Sides? – Dr. Socko
Nobles Assorted Anti Skid/ No Slip Hospital Gripper Socks, Great for adults, men, women. Designed for medical hospital patients but great for everyone (3 Pairs Black) - Walmart.com
Psych Ward Grippy Socks 1 by jillsocks7 on DeviantArt