Why o why are some range mats like hitting a ball off concrete!! They dont simulate any sort of lie at all even in deepest summer with hard fairways, In fact I would go as far to say I think actually ruin your swing.I travel twice the distance to a range just so I can hit a ball off the bristle mats.When ive caddied for Senior players they wont go anywhere near those mats when they practise, they are crap and a waste of time :sbox: