all of o-o's trousers have gone through on the knees, the result of many happy hours scuffing about whilst playing on the floor. i have been patching the holes, which is what grandma would have wanted. i used off cuts from an old shirt but have just discovered this stuff which you can use to make waterproof patches (shown in the lovely photo below). i'm deffo going to order some.this tutorial 'how to make felted elbow patches'. the instructions are a thing of beauty in themselves!