Chem Guys Big Mouth Foam Cannon Lock

I bought this pricey foam cannon and was frustrated to find the lid only screws on 1/4 of one turn and therefore is very insecure and pops off with the slightest bump, spilling the cleaning solution all over the place. So I made this simple plug to lock the lid in place while in use.

Directions: Use an 11/64 drill bit to drill through the skirt of the lid where the first thread isn't present (see picture). Then install the lid and tighten fully, then drill through the previously made hole i