<a rel="" target="" href="https://www.youmagine.com/documents/3234/edit">Umbrella Stamp</a><br>is an optional part and a bit fiddly.<br>It maked sure that the M4 bolt doesn't deform your umbrella as cheap umbrella-holders without such a stamp do.<br>When not in use, screw the M4 bolt all the way in. This way the Umbrella Stamp doesn't fall out.<br><br>The M5 nut(s) goes into the inside of the base part and are held in place by their respective M5 nuts.<br>1 should be enough but you can use 2.
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