our rugby union correspondent chrisjones explains how they will work.by union has been grappling with something of an existential crisis over safety in the sport, and technology is seen by the governing bodies as a way to safeguard rugby union's future. so a player would wear a mouthguard with bluetooth technology, and if they took a collision, then it would be transmitted to the pitchside doctor, who would be able to gather the data and see whether any of the force of the impact had gone above a certain threshold, and a player takes on average, say, 25 hits over a certain threshold per game, if they went over that, or had any that went so far over that it was a cause for concern, the player would either be permanently removed, or would come off for a pitchside assessment, a head injury assessment, the hia. so yes, it could be a very significant moment for the sport. there will be lots of devil in the detail with how the data is used and how it works, but the authorities feel it is a big step in the right direction. former england and manchester united

forward jamie george told our rugby union correspondent chrisjones how that will motivate them.u know, opportunity to put a few things right because obviously that fiji game was shocking to say the least. so yeah, we make sure, you know, we take lessons from that and and be a better team this week. twickenham games on your mind the one from august? yeah, it is, ithink it's probably would be wrong of us to sort of try and dismiss it. we're a better team, a much better team now than we were then. but, you know, ithink there are some clear things that we had to take away from that and kevin sinfield has been very clear about reminding us, showing us a few clips that hurt, you know what i mean? like when you watch us defend like that, that's always going to hurt. so he showed us a few clips and made sure that, you know, we're fully aware that, you know, we probably owe them one. looking forward to that game. that's jamie george with rugby union correspondent chris jones. don't forget, you can get all the latest sports news from the bbc sport app or from our website as well. that's b

forwrd jamie george told our rugby correspondent chrisjones how that will motivate them. the least. we will make sure we take our lessons from that and be a better team this week. i5 lessons from that and be a better team this week.— lessons from that and be a better team this week. is that you can game on our team this week. is that you can game on your mind. — team this week. is that you can game on your mind, from _ team this week. is that you can game on your mind, from august? - team this week. is that you can game on your mind, from august? yes, - team this week. is that you can game on your mind, from august? yes, it l on your mind, from august? yes, it is. it on your mind, from august? yes, it is- it would — on your mind, from august? yes, it is- it would be _ on your mind, from august? yes, it is. it would be wrong _ on your mind, from august? yes, it is. it would be wrong of— on your mind, from august? yes, it is. it would be wrong of us - on your mind, from august? yes, it is. it would be wrong of us to - on your mind, from august? yes, it is. it would be wrong