mat

A flat piece of coarse material used for wiping one’s feet, or as a decorative or protective floor covering.

Wipe your feet on the mat before coming in.

A small flat piece of material used to protect a surface from anything hot or rough; a coaster.

They put mats on the table during mealtimes.

A floor pad to protect athletes.

The high jumper cleared the bar and landed safely on the mat.

A thickly tangled mess.

a mat of weeds

But to return to where we left her, I see her still, propped up in a kind of stupor against one of the walls in which this wretched edifice abounds, her long grey greasy hair framing in its cowl of scrofulous mats a face where pallor, languor, hunger, acne, recent dirt, immemorial chagrin and surplus hair seemed to dispute the mastery.

A thin layer of woven, non-woven, or knitted fiber that serves as reinforcement to a material.

To cover, protect or decorate with mats.

Be careful now to keep the Doors and Windows of your Conservatories well matted

To form a thick, tangled mess; to interweave into, or like, a mat; to entangle.

And o'er his eyebrows hung his matted hair.

Clipping of material.

I used up all my mats cranking 90s and ended up getting one-pumped.

Using a Weapon Upgrade Bench, it's possible to upgrade a Common Shotgun, for example, all the way to Legendary provided you've harvested enough mats to do so.