Gather the materials listed above.
Cut a piece of card stock 4" x 7".
Wrap the card stock piece around the cardboard roll. It should overlap about 1 inch. The card stock roll should be able to move, but not be too loose. See the video below if you need clarification.
Tape the card stock tube closed. Do NOT tape it to the cardboard tube.
Make 1 cut in each rubber band.
Make 3 marks on the card board tub, equidistant apart.
Staple one rubber band on each mark, near the top of the cardboard tube. Slide the card stock tube over the card board tube. Hang the rubber bands over the top of the card stock tube so they hand on the outside.
Tape the rubber bands to the card stock tube.
Hold the card board tube with one hand and twist the white card stock tube with the other hand.
As you twist the rubber bands will form a triangular snare!
Try holding different objects in the snare end effector.