Kub stamping yog cov txheej txheem luam ntawv zoo nkauj uas siv cov ntawv ci xim hlau los yog cov xim pleev xim rau koj cov khoom, tsim kom muaj qhov pom kev zoo nkauj uas ua rau muaj kev nyiam sai sai. Tsis tsuas yog cov txheej txheem no txhim khu kev zoo nkauj ntawm koj tus qauv tsim, nws tseem ntxiv qhov kov tactile uas ua rau nws sawv.