The handle keeps coming off my Porlex grinder while I’m using it ?

We’ve found that the metal around the hole in the Porlex handle (where it attaches to the spindle) can wear over time and may contribute to the issue of the handle coming off when grinding. However, it’s our opinion that grinding too fast is the main cause. It’s natural that as you become more comfortable using the grinder, that you may start grinding more quickly. You should find that grinding more slowly and less aggressively will address the issue of the handle coming off during grinding.