I use aluminium potassium sulphate ,mixed with water in a bucket, place four or five skins in it stir min twice a day for seven days
after that scrap of the fat and meat that's left with a tanning scrapper ,if it does not come away easily then soak for a couple more days
once all the fat is removed rinse with clean water a few times (you could use the washing machine when the wife's out ) ,when the pelt is damp stretch it carefully as not to rip it if its difficult to stretch because it to dry than get a small water sprayer and re damp ,after you spent a good few hours stretching and the p