I not a fan of contraptions meaning liek those stupid weight loss belts that you strap on and it sends electricity in your body to tighten the muscles off and on and blah blah blah

I did come across a few things there were interesting tho

http://www.herringtoncatalog.com/products/firm-grip-resistance-forearm-strength-trainer?utm_source=Google&utm_medium=shoppingfeed&utm_term=WS139BLU&utm_campaign=BROI&gdftrk=gdfV25409_a_7c2789_a_7c10267_a_7cWS139BLU&gclid=CKr2uvnQpssCFUgkhgodVIgNBw

This next one  ehe just sharing cause its weird

http://www.everythingtrackandfield.com/webapp/wcs/stores/servlet/Product2_10152_10753_2004029_-1_2000265_2000265_2000265_ProductDisplayErrorView?utm_source=google%2Bproduct%2Bad&utm_medium=cpc&utm_campaign=google%2Bproduct%2Bad

This one i dont get lol

http://kbandstraining.com/buy-kbands/?gclid=CN3V5aPSpssCFYEehgodl5sNqQ

http://www.performbetter.com/webapp/wcs/stores/servlet/Product2_10151_10751_2274580_-1_1000327_1000281_1000281_ProductDisplayErrorView?utm_source=google%2Bproduct%2Bad&utm_medium=cpc&utm_campaign=band%2Btubing

This one goes with it kinda same thing

out of all ide try the 1st one