The Knee Slapper emote is an Rare Fortnite emote. Knee Slapper was available via the Item Shop for 500 V-Bucks and you can buy it from Fortnite Item Shop when it will listed.
Fortnite Knee Slapper Skin Details
Rustle up the rhythm.
Fortnite Knee Slapper Skin PNG Images
Here is the PNG images of Knee Slapper below!