Hello!!! This model is all the fun of a gravity knife fidget, without the dangers of it. To use, Easily flip out the blade and flip it back up. When you want to retract the blade, easily flip it out and allow gravity to push it back in. This model is completely free to sell as long as you follow the licensing regulations. Hope you like and boost the model.😁

Assembling Instructions:

1. Slide the comb into the frame

   

2. Add the locking frame by snapping it in place

   

3. Add the two pins to hold the comb in place

   

   

4. Enjoy