The invention relates to {HEAD ~ fabric articles} that generate {TAIL ~ heat/warmth} upon application of electricity 
The invention relates to { HEAD ~ fabric articles } that generate { TAIL ~ heat / warmth } upon application of electricity
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH