I tried the Gem Feather Weight razor this evening with fresh blades from Connaught. I had a 6 day stubble, which probably was a mistake. It was very audible, the angle seem quite intuitive. Anyway as with most first shaves, I bottled it and finished off with a Type L and a Mach 3. I think 2 to 3 days growth would be the max until I know what I am doing. Anyway a better first shave than with the Core.