Magnetic shielding for Iron Tattoo Machines

how i shielded the side arm and rear of a iron frame to protect it from the flux from the coils so it doesnt suffer the effects of hysteresis and become weak with use. first build of the year, iron bulldog shielded color, shader 4mm gap 400g tension runs on 7volts all day. handmade 10 layer 22g double lacquered hi temp copper wired coils.