Heart Of The Hide Please Tell Me What The Difference Is Between A2k And A2000 And Rawlings Heart Of The Hide And Pro Preffered.?

Please tell me what the difference is between a2k and a2000 and rawlings heart of the hide and pro preffered.? - heart of the hide

I have a receptor Mitt A2403. It is extremely difficult cm for Christmas break, I have a Rawlings heart, skin, the trapeze.