Input: pink piston.
Output: red clamping jaw. It is completely withdrawn from the orange workpiece space when not clamped.
Additionally, it can enter the workpiece cavity for clamping.
This video is made based on the frog clamp shown at
   • HighPower Pneumatic Frog Clamp  

STEP files of this video:
https://www.mediafire.com/file/m2519c...
Inventor files of this video:
https://www.mediafire.com/file/0q7206...