Spraino Pro - Sprain prevention sticker
Spraino is a Teflon sticker applied to the outside of the shoe to reduce friction between the shoe and the floor. Spraino reduces the chance of ankle injuries and reduces stress on the ankle joint by 91%. Tested and approved for handball, badminton and volleyball.
The package contains 10 wet wipes, 20 front Spraino patches, 20 back Spraino patches (enough for ten pairs of shoes).
Depending on the athlete's activity level, the sticker lasts approximately 20-40 hours before needing to be replaced*.
Spraino Pro - Sprain prevention sticker
In this LINK you can see an attached video.
* Various factors to consider such as: weight, height and level of player.