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Monday 27 November 2017 at 07:00
I've been putting off, sadly, the shop-out of my Black Knight. The Black Friday sale gave me the motivation I needed to figure out the size of each rubber ring and build a kit for it. I am going with all yellow on the upper playfield, including the flipper rings and all red on the lower playfield....
Source: http://pinside.com/pinball/forum/topic/new-product-competition-silicone-rings/page/47#post-4093724