Complex sentence: PBS the latter three referring primarily to the equivalent done on icy or snowy streets without a skateboard or roller skates, but skitching does not include a snowboard; the proper wording for that is snitching.
Split into simpler sentences: PBS the latter three referring primarily to the equivalent done on icy or snowy streets without a skateboard or roller skates. Skitching does not include a snowboard; the proper wording for that is snitching.