TMI....Breastfeeding question about toddlers

Hi
_________________ ok so I'm still breastfeeding my daughter (11 months old) and lately she's been sliding her hand under my shirt to play with my other boob. Like she grabs the nipple and plays with it. I try to get her to stop and keep pushing her hand away and pulling my shirt down, but she won't stop lol 😂 
Anyone else deal with this!? I have breastfeed 5 babies before her and they never did anything like this. I almost wish she would go back to pinching and scratching me lol. It's so annoying lol 😂