Ansel had a vacuum one that worked awesome , it hooked to the bleeder on the caliper , a 'one size fits all' type model, well you had to put on different bits of tube to make it fit your application, but it worked amazingly well.
i keep saying I'll make a meet, but i think i will this time... i think... just have to convince the GF , or not car pool that day.

I should take Betsy as its seemingly in 'ok' shape after this last rally.