bench with floormat draped over?

[Aethyr]

Occasionally I see some people benching with a floormat like this:

draped over the bench. Why do they do this? Does it somehow increase your bench?

 

[NurseKnuckles]

depending on the thickness it shortens the Range of Motion.

 

[deadshot138]

Maybe want Better grip on the bench, I’ve seen people do the same intertwining an exercise band around the bench with a cross section where your shoulder blades would be