You may use the hand to touch and to pat the skin grass,if traces quite smoothly,is rough,lacks the stereoscopic effect,obviously harms is not the high quality skin sod.
You can touch and tap furs by hand. If it gives the flat and rough feeling and lacks the tereoscopic effect, it is clear that this is not the high quality furs.
You can go to touch by hand and tap furs, if touch up comparison flat panel, coarseness, be in need of stereoscopic feeling, showing the bane isn't a high-quality furs skin.