No. Full rollers have a track that goes between the fingers and the thumb, maybe just clipping each on the way by. You won't see lots of flare lines on a full roller - it rolls on the same circumference every time. The true full roller covers the longest circumference possible on the ball.
Now what I'm wondering is this: if someone has a track that meets all of the above criteria other than being between the thumb and finger, nearly touching both, could it be called a full roller? Could you have an inverted full roller? (track from outside of ring to the other side of thumb?)I've seen some pretty strange tracks that cover a lot of ball surface, but do not meet this criterion. (I recall seeing a picture somewhere of a track that was nearly parallel to a line drawn across the top of the finger holes, for example.)
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"A little sincerity is a dangerous thing, and a great deal of it is absolutely fatal." Oscar Wilde
Ragnar sure likes to throw his purdy Uranium Buzzsaw.