The practical difference in grip between linen and canvas micarta is largely dependent upon the maker and the type of finish he used on the scales.
In general, linen micarta feels smoother than canvas micarta and yields a less secure grip, but this is not always the case. In the picture are three knives, the top one is an Emerson Custom CQC6 with canvas micarta scales. The middle knife is a Kit Carson small Talonite (r) U2 dive knife with linen micarta scales. The bottom knife is a Tom Mayo 5" drop point hunter also with Talonite (r) blade and linen micarta scales.
The Mayo knife is finished (and feels) very smooth; you can probably tell this from the highlights. The Carson knife is finished rough, and has the most secure grip of the three. The Emerson which would be expected to be roughest (thus most secure), is actually somewhat slick (although not as slick as the Mayo knife) to the grip.
The linen micarta is much superior to canvas in appearance, IMHO.
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Grip is also important in football. My kittens have been practicing 'piling on' in preparation for the Super Bowl. Notice that the player on the bottom, 'Bandit', has his right paw firmly flexed around the (not seen) football. Look just under the topmost gray cat/player's ('Andrea de la Gata') nose to see this.
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Walt ('sleeps with cats')
[This message has been edited by Walt Welch (edited 01-26-2001).]