Kifaru's own Frank "The Tank" Peralta goes over his method for attaching weight to your Duplex Tactical or Duplex Lite frame for doing some off-season training.
Kifaru Duplex Tactical Frame
https://kifaru.net/store/frames/duplex-tactical-frame-newplex-ss/
Kifaru Duplex Lite Frame
https://kifaru.net/store/frames/duplex-lite-frames-hunting-hauler/
Kifaru Grab-It 2
https://kifaru.net/store/accessories/pack-accessories/grab-it-2/
Sherman Pocket
https://kifaru.net/store/accessories/pockets/sherman-pocket/
Compression Straps
https://kifaru.net/store/accessories/web-management/guide-lid-and-compression-kits/
