[yellow_]

Apparently there ARE products out there but don't think they do what we think they do.
http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Dhpc&field-keywords=breast%20massager

Although this one looks interesting but needs a different charger. That doesn't seem like a hard fix though.
http://www.amazon.com/FB-9403B-Enlarge-Massage-Enhancer-Massager/dp/B00H3BT276/ref=sr_1_3?s=hpc&ie=UTF8&qid=1399672128&sr=1-3&keywords=breast+massager

found another!

http://www.amazon.com/Generic-Massager-Healthy-Enhancer-Enlarger/dp/B00EFSXPFA/ref=cm_cr_pr_pb_t