I find the word "gentle" helps too.... I have been using this alot more than the word 'no' as it seems to have a better effect on my DD.... she pinches and scratches at times too (just must be the age!) and when playing with her little friends sometimes she can get a bit rough like she'll grab at their face and at their eyes and I have to keep saying "gentle" and remove her away from the other little one....she's very social but doesnt' mean to hurt obviously!

Ikwym about the tantrums when you take something away..... I thought that came later! Once they were 12mths+ !
I make sure I always have something else to give her if I'm going to take something off her.