Razors with lots of audio feedback

What's some razors with the loudest audio feedback? I thank it can help in the shave.

The Merkur Futur or Vision. The long handled Progress is quite loud too.

ATT for sure.

single edge razors, especially the old GEMs.

ATT for sure.

+1. More of a solid sound rather than hollow like the Merkurs. But just as loud though.

Ever-Ready 1924 Shovelhead is the loudest razor on the planet. The shape of the top cap acts like a speaker enclosure.

In the DE world, I'd have to say the R41, but I don't have many of the others mentioned like the ATT

Loudest at top
-2013 R41 with Spitfire Top Cap
-EverReady 1924 Shovel Head SE
-Mekur Futur

Loudest at top
-2013 R41 with Spitfire Top Cap
-EverReady 1924 Shovel Head SE
-Mekur Futur

+1
That Spitfire Cap has the neighbours banging on the wall

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Ikon Slant, ATT, Weber, BBS-1 are the ones that come to mind

ATT for sure.

+1