Sock Stop – White3. 4 oz. of latex sock stop is a white rubber milk that is used for making your home knitted or crocheted socks or slippers slip resistant. Instructions: Insert a piece of cardboard of an appropriate size into the sock, add the sock stop to the exterior part of the sock and let it dry. Repeat the process 1 2 times, if necessary. After 10 12 hours, the product is dry and can be machine washed at 104 F (40C). Avoid tumble drying the socks after the sock