I really liked the fit of the KR2. It's a actually a bit narrow in the 5th met-head for me. Narrower even than the Scorpion, but I never had the KR2 punched cuz:
Sadly, despite initial reviews to the contrary, the production "B" flex tongue was too soft for me, and I went to the Scorpion 130. I hear they're coming out a with an "A" tongue at some point, so I may consider switching back.
Just a different opinion. Nothing to say bout the Lupo.
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