Really goes to show you how YMMV. They are chalk and cheese for me, Astras are a top 3 blade where as derb's (and lasers) would make me switch...
I prefer the Slim because i find it more manouvarable. If I had to have only one safety razor it would be the Slim.
Merkur Futur Gillette Super Adjustable Long Handle Gillette Slim Adjustable Gillette FatBoy
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