Ability to partially/completely despawn canister flames.
You can partially/completely despawn canister flames by occupying the space that the canister's flame projectiles try to spawn at. It will not allow the Flames to spawn after igniting and results in either partial or the entire trap being destroyed.
Current Abilities that Work
Vortex Shield
Flame Shield
Gun Shield
Particle Wall
Hard Cover
Amped Wall
Vortex Shield Canister Despawn
Vortex Shield with Crouch Canister Despawn
Vortex Shield Angled Canister Despawn
Vortex Shield Angled with Crouch Canister Despawn
Flame Shield Canister Despawn
Flame Shield with Crouch Canister Despawn
Flame Shield Angled Canister Despawn
Flame Shield Angled with Crouch Canister Despawn
Gun Shield Angled Canister Despawn
Gun Shield Angled with Crouch Canister Despawn
Particle Wall Canister Despawn
Hard Cover Canister Despawn
A-Wall Canister Despawn
Teammate Flame Shield Canister Despawn
Bonus Flame Shield Melt Canister
Surprisingly doesn't work with own canisters, but works with teammate's canisters.
None proper angles will cause the canister's flames to only partially despawn, similar to the particle wall.
Gun Shield being the only held shield type to not work without angling the shield down.
Pro Tip for Gun Shield: Aim your barrel towards the canister as shown, most easy and consistent method.