any of his deadwood cards onto the knocker's melds if he can. For example If your knocker had a meld, H1 H2 H3 and also the opponent has a H4 as Element of his deadwood he can insert it to the knocker's meld, and after that it will not depend as deadwood any longer.If You can't or usually do not need to meld, usually do not click the “Meld??butto