Here are a few ideas I came up with on the topic of artefacts and other socketables.
Cooking bonuses:
Venison Expertise. Wearing clothing with this bonus adds +x% purity to all foods produced with recipes using deer meat. The element could depend on the purity element of the artefact slotted, if that's ever implemented.
Carnivore Cooking. +x% purity to all foods produced with bear meat.
Rodent Roasting. +x% purity to all foods produced with beaver, and rabbit meat.
Vermin Spicing. +x% purity to all foods produced with snake, frog, crab, cricket and snails.
Fish frying. +x% purity to all foods produced with fish.
Butchery bonuses:
Venison cutting. Wearing clothing with this bonus adds +x% purity to all cuts and steaks cut from deer carcasses.
Bear chopping. adds +x% purity to all cuts and steaks cut from bear carcasses.
Rodent gutting. +x% purity to all cuts and steaks from beaver and march hare carcasses
Poultry plucking. +x% purity to meat gained from butchering a plucked turkey.
Fine mincing. +x% purity to all meat shreds gained from butchering.
Fishing bonuses:
Fish catching. Wearing clothing with this bonus adds +x% purity to any fish caught
Bait use. Decreases wear on bait
Farming bonuses:
Fertilizing. Wearing clothing with this bonus increases the efficiency of using fertilizers
Farming. Decreases the time it takes to plant seeds, and harvest crops.
Mining bonuses:
Digging speed. Wearing clothing slotted with this bonus decreases the time it takes to mine out boulders, and chip them.
Tunneling. Reduces the phlegm drain of mining out boulders