Tenting raises the middle of the keyboard up, so your hands move closer to a “handshake” position. Alice keyboards usually angle up towards the middle and always to a fixed degree, since the two sides are connected. Split boards often let you adjust the degree of tenting, going from flat to subtle to extreme lift.
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According to Reddit, that human element it key.
of allocations to 1, you reduced the number of allocations to 0!