The present invention is directed to an eraser for collecting {HEAD ~ dust}, i.e., chalk dust, released from a surface, {TAIL ~ i.e., a chalkboard} 
released from
The present invention is directed to an eraser for collecting { HEAD ~ dust } , i.e. , chalk dust , released from a surface , { TAIL ~ i.e. , a chalkboard }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL