Received Reservoir Dog

I've been out sick the last couple of days, so I haven't been able to do anything on the plane, but my order from Peterson Innovation showed up today.  They make a slick little product called the Reservoir Dog that fits on your brake fluid reservoir to keep brake fluid from spilling out when you're inverted.  As you can see in the picture below, it fits between the aluminum reservoir and the breather cap that comes from Van's.  It contains a check valve that allows air into the reservoir when you're upright, but seals tight when inverted.