This is a great idea to waste time and have fun later. Should only take about 30 minutes to an hour depending on how good you are at folding paper.
Step 1: Paper Claw
This is how you make a paper claw.
Step 2: Assembling
You will need to make 8 of these.
Step 3: Assembling
Next put the pointy end in the pocket at the top of the other one and slide it in as far as you can. Continue and add the other 6 on the two you just made.
Step 4: Finish
You can cover it in duct tape to prevent it from falling apart and water proof.