Keith Yamashita tip #7

Seventh tip from Keith Yamashita, "Fifteen Things Charles and Ray Teach Us", december 1999.
Previous tips in this blog: Tuesday, December 02 2014, Tuesday, December 09, 2014, Tuesday December 16, 2014, Tuesday, December 23, 2014, Tuesday, December 30, 2014, Tuesday January 6, 2015.