Supply SH-20 Ballistic Shield Backpack The SH-20 Ballistic Shield Backpack or Ballistic Shield for short is a Stratagem which provides portable cover against enemy small arms fire when wielded. Instructions: To make the macro work correctly, set the stratagem button to the «click» type. In the game settings, select the arrows for the stratagems. The tactical advantage of using the arrow keys is that you can keep moving while entering a stratagem sequence. 0 KeyDown 224 1 Delay 64 KeyDown 81 1 Delay 64 KeyUp 81 1 Delay 64 KeyDown 80 1 Delay 64 KeyUp 80 1 Delay 64 KeyDown 81 1 Delay 64 KeyUp 81 1 Delay 64 KeyDown 81 1 Delay 64 KeyUp 81 1 Delay 64 KeyDown 82 1 Delay 64 KeyUp 82 1 Delay 64 KeyDown 80 1 Delay 64 KeyUp 80 1 Delay 64 KeyUp 224 1 Helldivers 2