1857 baseball convention
... that under a rules draft presented at the 1857 baseball convention, baseball bats would have been allowed to be shaved flat on one side?
... that under a rules draft presented at the <b id="mwiw"><a href="./1857_baseball_convention" id="mwjA" rel="mw:WikiLink" title="1857 baseball convention">1857 baseball convention</a></b>, baseball bats would have been allowed to be shaved flat on one side?