This Achievement Is Cumulative, Meaning It Can Be Done Across Multiple Playthroughs.
When You Start Each Playthrough, Make Sure You Pick Up Some Cat Tails.
Upgrade Your Coat And Pants With Them!
This Will Shave Down The 50 Number Dramatically, As You Will Also Be Making Rabbit Coats And Wolf Pants, (You know, Good Clothing) In Most Playthroughs.
After A Few Runs You'll Get This One No Problem, So Don't Worry About Gunning For It.
Goodluck!