Step 1: Materials
-a cheap pen
-a little water baloon
-steel press or whatever
Step 2: Construction
-put the baloon in one of the endings and pull it down untill its like in the picture.
-cut the cork like in the picture and keep with the remaining piece.
-cut the remaining piece of cork untill it fits (as in the picture).
-glue the pen tube to the cork and put the piece.
-use the press to hold the gun while it dries, make it tight. press it by the 2 sides (again, as in the picture).
Step 3: Using
you can use other materials like a metal tube, ceramic balls and a wood or metal tube for the grip.
i'm not resposible for any injury that you can cause to you or your friends.