So, I'm feeling like a prize twit having attempted to knit and then felt a tablet case for mum for the tablet that siblings have bought for christmas.
The instructions were to machine wash at 40 degrees, and shrinkage would be about 30 percent. Anyway, it's shrunk too much and I'm left with a pencil case! 
I can't do much about it, I've about managed to stretch it wide enough but it's too short, I have a bit of wool left, should I make an extra bit and make a 'flap'. Any other thoughts (apart from starting again).