In Arthurian legend, the sword in the stone was stuck in one of these blacksmith aids on top of the stone
In 
Culhwch and Olwen, it is one of Arthur's most valuable possessions and is used 
by... [DOC] [TLE] Excalibur is the legendary sword of King Arthur, sometimes ... [PAR] Sometimes Excalibur and the Sword in the Stone (the proof of Arthur's ... Vivian is 
one of the many names of the Lady of the Lake in the Arthurian legends.