This invention relates to {HEAD ~ materials} having {TAIL ~ a textured surface} and to methods for producing such products 
This invention relates to { HEAD ~ materials } having { TAIL ~ a textured surface } and to methods for producing such products
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH