a 93 b to guide the cord from the guard 90 to a cord guard such as the one in fig1 10 the adapter 93 includes a lower extension 94 with a pin 94 a engaging a hole in housing of the guard fig7 c shows an arrangement for attaching a cord guide to a standard window shade in this embodiment shaft 95 a engages a standard window shade and is selectively rotated by a cord in guard formed by disc 95 b and a member 95 member 95 has a downwardly extending portion 95 c an adapter 96 is used to guide the cord to the housing 10 the adapter includes lateral channels as at 96 a for the cord in another embodiment instead of or in addition to the cutouts 22 22 a a slider 100 shown in fig8 10 is provided to operate the cord 18 the slider 100 includes a shell 102 with an oval opening 104 shaped to receive the housing 10 and allow the shell 102 to move longitudinally along the housing 10 and the cord 18 the housing 10 may be provided at the top and the bottom with stops not shown to limit the movement of the slider switch the shell 102 has two sidewalls 108 110 at least one of the sidewalls such as 110 is fluted as at 106 to allow a person to grip the slider switch 100 comfortably the other sidewall 108 includes at least one indentation 109 for the thumb of a person a bracket 112 extends transversally within the shell and is connected to two buttons.