Hi I am dipesh ,I want buyer for my half inch pulling coin ,first I give u full video and picture details of this item ,then u come and  check ur own hand ,collect sample , test it in lab ,after full satisfaction make deal ,I not want any advance before and after deal,all testing and show r free ,wash the item ur own hand and test it ,if my item not show u any functional test ,I give u penalty 20000 ,the item show 7 test like -rice pulling in half inch ,rice coloring ,rice to rice ,watch test ,torch test ,water glass test ,niddle test ,MAIL ME FOR MORE DETAILS WITH UR PH NO - dipeshsarangi@gmail.com