like this without changing grip so you have been practising like that for 2 years and some how hit the shuttle cock quite often and some time you hit the shuttle cock out and then you see there is other way to do it you got to be change the grip and then tap it so, you like it, you think this is right now you are practising it, then at the beginning because you have not done it before there will be some mistakes ya, you hit the net you hit there and then there are many players, oh its doesn't work to me ya and then when they practice