sentences:  ETwA concerns itself with the maintenance of the official rules of tiddlywinks,
  arranging of tiddlywinks tournaments, and publishing of the journal "Winking World" which has been published roughly twice a year since 1961.An editor of Winking World was interviewed by Chris Evans on his BBC Radio Two show on 5 August 2008.Under the auspices of the English Tiddlywinks Association several tournaments are held throughout the year including The National Singles, The National Pairs, The ETwA National Teams of Four, The ETwA National Handicapped Individual Pairs, The Cambridge Open and The London Open.