<HTML><HEAD></HEAD> <BODY dir=ltr> <DIV dir=ltr> <DIV style="FONT-FAMILY: 'Calibri'; COLOR: #000000; FONT-SIZE: 12pt"> <DIV><FONT face=Arial>.... and the proper height is determined by ....... ??</FONT></DIV> <DIV><FONT face="Times New Roman"></FONT> </DIV> <DIV><FONT face="Times New Roman"></FONT> </DIV> <DIV><FONT face="Times New Roman">I have long done something very similar to what David does. It does not<BR>take long, and it is not hard to do at all. There is another added<BR>advantage in that you can change the height of the back check to customize<BR>it to the hammers. Having the back checks at the right height for the<BR>individual piano will improve the checking. <BR><BR><BR><BR>Will Truitt<BR></FONT></DIV></DIV></DIV></BODY></HTML>