Hello all, Hoping to get some suggestions for a coaching bag. I usually carry a 3 or 4 inch binder, 1 inch binder, magnetic clipboard, score book, spray chart book, link spider (mount for go pro), go pro in small case, hydroflask, glove, 20 pack of disc cones, small towel or two and some smaller misc. items (clicker, pitch counter, card for signals, etc.). I find that the normal backpack is getting full and is not very organized. Anybody found something they like that would work for this gear?