I use a shotgun or dynamite (well, I would like to). Its horses for courses. Theres, boiled up garlic cloves, mixed with water then watered into the plants (slugs don't like it), Theres sacrifice (thats using another plant as bait, not on an altar), theres oats, theres crushed egg shells, theres copper tape, theres sharp grit, theres spent coffee grounds, theres nematodes, plastic bottles with copper tape, theres beer traps, theres pellets, theres murder, theres wildlife, theres night hunting, theres bags of salt or salt barriers (though not on the plants or soil), theres vasaline, theres catapults, I think the list goes on and on.