I just built a mod with a coffin box and was so cheap and easy I had to share. Drill hole for horn switch on large end, 510 connector on other. I soldered a spring from a 510 box mod on 1 leg of the switch for the negative side of the battery and a pin from the positive side of the 510 connector. Other than that just a piece of wire from other switch terminal to case of the 510 connector. This 1 took about 1/2 hour and less than $10 to build. Parts from mad vapes.
Forgot to mention the holes on the cover that the pins fit into to hold it together need enlarged a little and you still have to be careful taking the cover off.
Forgot to mention the holes on the cover that the pins fit into to hold it together need enlarged a little and you still have to be careful taking the cover off.
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