2 of 2 people found the following review helpful
Makes great catapult elastic,
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This review is from: Thera-Band Tube élastique (Sports)
I have an old catapult my father made me. I bought two metal catapults for my boys to teach them how to use one as well. The tubes on those were soft and fragile and would cut or degrade fast. I had three catapults to re-rubber.
This stuff has done the job very well. My old wooden catapult has the rubber tacked onto the tines then wrapped round with tape. Little offcuts from the rubber fasten it to the leather pouch. The metal catapults have a double length passing through hoops on the tines.
As long as the catapults are kept out of the sun and not left on windowsills this stuff lasts fine and shoots with plenty of power.