I've been meaning to do this for a while, so here goes...
First, you need to either remove the old cuffs, or make a new jacket (whichever you prefer). Turn the jacket inside out and open up the liner underarm seam on one of the sleeves about 3-4 inches (do this in the middle of the sleeve). Reach in throught the hole and grab the far side of the jacket, then REALLY turn the thing iside out. Cut the threads and remove the old cuffs....
Cuff Replacement Tutorial
First, you need to either remove the old cuffs, or make a new jacket (whichever you prefer). Turn the jacket inside out and open up the liner underarm seam on one of the sleeves about 3-4 inches (do this in the middle of the sleeve). Reach in throught the hole and grab the far side of the jacket, then REALLY turn the thing iside out. Cut the threads and remove the old cuffs....
Cuff Replacement Tutorial