Dip your ham bag (orlinen tea towel) in a solution of 2 cups of water and 1 tablespoon of vinegar.
Squeeze out excess moisture and place ham in the bag.
Store in coolest part of fridge (below 4°C). Leg ham on the bone should last for up to 3 weeks.
Rinse and re-dip your Ham Bag in water and vinegar solution every 3 days, or as needed.