Well, I'm here to report a bug that we have in version 0.17.0 / 1.0 of minecraft pocket edition, it turns out that there is no longer the option to take the wool off the sheep and I would be grateful if they could fix this error.
Addition by Mega_Spud
You cannot use shears that have anything less than 100% durability, meaning you can only use them once.
- Shearing Sheep
- Removing a Snow Golem's Pumpkin Head
- Shearing a Mooshroom