Stage Bottle MX Style Clip part?

[v101]

Does anyone know what this part is called so I can buy a few or order. its for a hose clip/pipe retainer, but I am not sure what its called?

 

[stuartv]

DGX S/S D-Ring Holder

 

[Jimchris]

I've always called those tacos.

 

[Manatee Diver]

I've always called those tacos.

Not very edible ones.

 

[rick00001967]

i'll bite. i assume this gets strapped to the tank with dring. so what is the purpose ? i've never used these.

 

[Manatee Diver]

i'll bite. i assume this gets strapped to the tank with dring. so what is the purpose ? i've never used these.

The traditional use is that, but OP is talking about doing this:
The Adjustable Stage Rigging Kit - Mexico Cave Diving & Cave Training - ProTec Blog