Except that you'd be more likely to deform the tube from the impact therefore making it less likely to slide up/down easily. (Still highly unlikely, but probably more likely than a post failing because of a small score/engrave line done properly).
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Except that you'd be more likely to deform the tube from the impact therefore making it less likely to slide up/down easily. (Still highly unlikely, but probably more likely than a post failing because of a small score/engrave line done properly).