flipping water bottles
... that flipping water bottles has been banned in some U.S. and British schools?
... that <b id="mwBB8"><a class="mw-redirect" href="./Water_bottle_flipping" id="mwBCA" rel="mw:WikiLink" title="Water bottle flipping">flipping water bottles</a></b> <i id="mwBCE">(pictured)</i> has been banned in some U.S. and British schools?