Paper people: How do you manage recurring tasks?

Those of you who use a mostly paper system, how do you manage recurring tasks? I'm thinking more menial stuff like changing your furnace filter, watering plants, et al, that you might need to do once a week, every month, etc.

I've been using kGTD lately and really appreciate the way it distinguishes between tasks that recur after a certain number of days no matter what, and one that resets a certain number of days after you last completed it. How do you manage something like this on paper, besides (the horror!) remembering to repeatedly write them down?

I have a project that...

Webb;7173 wrote:
I have a project that keeps track of the timeline. When I do it once, I throw another task out into the tickler. If I fail to do that, I catch it during the weekly review.

So Webb, you just keep a list of all those tasks with a note about when and how often to do them? That makes sense. The reason I'm asking is because I'm often tempted to switch to paper, but this is the one thing that always holds me back.