I used Nemaslug which worked well but needs two applications each season and a bit pricey.
Also tried coffee grounds but with hindsight they were from my filters so probably not sharp enough.
Egg shells worked reasonably well but, as mentioned, you need lots of them.
I used two circles of the copper tape in the past again with some success.
The main room in your house...
Labour Brings in excellent Renter's Rights - long overdue.



. I also use copper tape, so maybe a combination of strategies helps?