Mudcat Café message #2490944

The Mudcat Café ^TM
Thread #116121 Message #2490944
Posted By: Emma B
11-Nov-08 - 02:15 PM
Thread Name: What are shuttering jams?
Subject: RE: What are shuttering jams?

I think it's 'shuddering' Mrrzy
a jam occurs when water builds up behind a blockage.