Make the holes wide enough to fit a popsicle stick.
These should also be wide enough to fit a popsicle stick.
If the rubber band doesn’t pull far enough, unwrap it once from the arms. If the cotton swab won’t fit (without the cotton ball end), make the hole larger with a screwdriver.
The rubber band will wear out fast if you keep it locked. Unhook the band any time you aren’t using the crossbow.
One hole near one end. One hole near the other end. One hole in the exact middle.
These holes should match the size of the screws.
Don’t tighten these screws all the way. This lets you place the crossbow arms in a sturdy position for firing, then shift the arms and fold them against the lumber.
You may still need to hold your thumb over this notch, especially if the notch isn’t deep or the rubber band is very stretched.
