I have a game bag and more often than not, end up leaving it in my van.
My pockets on the other hand are well stocked with the "essentials"!
A good sharp knife. Pellets and spare mags. Mobile phone. Small torch if out at night and the trusty old bailing band and a palm sized lump of dowel to knock up a game carrier. Just incase I forget the bag. Although more often than not, as with the bag I forget to put the twine back in the pocket.
Why you would feel the need to carry more than you need is beyond me. Why add and carry "inessential" gear and add weight?
10 rabbits is more than