Bramble question

On my allotment, there are a lot of brambles that we're slowly clearing. In one quarter, there's a fair amount of fruit bushes and canes. The canes we've been told are raspberries and the bushes gooseberries. The brambles are rife through it. As I was pulling long canes of it out of the bed and cutting it up into my recycling bags, I noticed a central point in the fruit patch of a bramble and many canes coming off it. They look and feel a bit different to the others entwined round the shed etc. The stems are a but shinier and much less thorny. There are thorns on it, but a lot less. Could it just be a less thorny bramble or maybe something else? Loganberry maybe? Next door patch has loganberry. Just wondering. I didn't think to take a picture while there (but I can), tho not sure you could tell just from a cane anyway. Any thoughts?

That's what I'm inclined to do too after cutting it back so it's a bit more manageable in size. It was different enough that it stopped me in my tracks in a 'oh this is different' way. The others are very thickly covered in fine, needley prickles, so very different. Fingers crossed its a keeper 

I would suggest that if there are any canes that hae the remains of flowers/fruit on them that you cut these out as they won't fruit again this year 

'Old crusty stuff' as said above 

My guess would be a thorn less loganberry these canes get very long 3metres + or thorn less blackberry maybe definitely see what the fruits are. if its a logan mine has a greyish tinge to the young canes.

That is how my lotty neighbour has his thornless blackberry and loganberry set up. I think we could set up a frame easily enough as the fruit 'corner' is quite large area. I'm quite excited now to see what grows on it 

Been back up with my dad today and he agrees it does look different to the others. He's come up with a frame idea with some long aluminium poles, so we will be planning it in as a supported fan, between the rows of gooseberries and raspberries. If we don't like what or grows, or it turns out to be no good, we will just dig it out and plant another berry, logan or some such in its place