1. Check the rubber stopper of the throwing arm and check directly hit the wood with metal screw. If necessary remove the worn rubber and replace it with new one.
  2. After several releases check and make sure the screws are not loose. Tighten if necessary.
  3. After each throwing session check that the base screws and brackets are not loose. Tighten if necessary.
  4. Never work with more than a rubber band at a time, the catapult is designed to withstand the stress of a band at a time.

Following these simple tips will ensure that your catapult always be in top condition to give excellent service.