The rugby law book is constantly evolving and we could see some new tactics taking hold during the tournament
Wales are largely written off as Six Nations contenders after a record losing run.
Warren Gatland is shy of quality in some areas but the Wales coach's Six Nations picks must deliver if he is to keep his job.
Anscombe has been left out of the 34-man squad named by Gatland, but the Wales head coach is certain he will need Anscombe’s experience in the future.
Edwards and Scarlets wing Ellis Mee are the Test rookies among a 34-strong group.
The uncapped duo of Ospreys fly-half Dan Edwards and Scarlets wing Ellis Mee have been selected by Warren Gatland for Wales' Guinness Six Nations campaign.
Wales fly-half Sam Costelow has been ruled out of the Guinness Six Nations after fracturing his collarbone, his club Scarlets have confirmed
Gloucester coasted to a 31-7 European Challenge Cup victory over Scarlets at Kingsholm.
Scarlets fly-half Ioan Lloyd is poised to join Welsh rivals Cardiff, WalesOnline have reported.
Blair Murray marked his return with a brace of tries as Scarlets secured a 32-15 bonus-point win over Dragons in Llanelli in the United Rugby Championship.