I have a Vision Slip, it is a basic mod with a control head and a 5 click on/ off function, button lights up when you press it, so it works like an ego battery, only you put an 18350 in it. I assumed that since it is 5 clicks on/ off it must have a circuit board and would therefore come with very basic protection, but the vendor I bought it from is saying that it has no protection for shorts. I am considering getting a safe vape fuse, but don't know if it will fit. Feeling rather confused as well because I didn't think anything with 5 click functions and circuits needed special handling in terms of safety. Can anyone shed any light?