I used to have a Craftsman mower that did rear bag, mulch and
side discharge. In order to convert to side discharge, the rear bag was
replaced by a curved plastic tube thingy (rectangular cross section of
decreasing size) that deflected the clippings. I tended to clog up often.

--
Ron DeBlock N2JSO
If God had meant for Man to see the sunrise,
He would have scheduled it later in the day.