after years of fishing suddenly my braided loops are just slipping off my snowbee xs floating line. ive never had this problem before and i have never used glue....i decided to glue the last one and the loop failed, i noticed it before catching so no harm was done. i just wondered if anybody else was experiencing the same problem.

An interesting point has been raised here.

I am quickly coming to the conclusion that braided loops are not a good idea, especially on sinking line used on stillwaters. They are certainly a disadvantage in joining your leader to the end of your line.

Recently I've turned to needle knotting a fluorocarbon butt piece with a loop to the end of my line. Then I can fit a leader by using a loop to loop connection.

The worst scenario is that of the braided loop being used to connect a clear intermediate line, I fancy that the trout might on occasions attack the braided loop.

I use Roman Moser braided loops, which come with a red sleeve. I've lost count of the amount of fish I've had hit this sleeve when using my clear intermediate. I've watched them follow it right to the boat sometimes. I'm sure many of my missed takes on this setup have been fish hitting the sleeve. I've now changed it to a clear sleeve, I'll let you know how I get on.

The key I think is in the sleeve rather than the braided loop. It needs to be a good tight fit, more latex type of stretchy and grippy than harder plastic if you know what I mean - they do vary and some are frankly cr@p! Also needs to be the right size in relation to weight/thickness of fly line. Pitsford Pirate has the best sleeve material with his loops - wish I knew where he got it! Also important to thread your fly line at least 2" into the braid, then if glue is to be used (I do usually add a drop nowadays), one small drop right at top of sleeve so the free section of braid above that can still grip the fly line when it contracts. I also add a small drop of glue to the loop itself where it runs inside itself, to stop the loop undoing. However, some lines such as very thin Di7s are not really suitable for braided loops - too thin - so back to the traditional nylon loop method Ron decribes.

There is also the Gray's loop you could try:
Gray's Loop - Fly Line Leader Loop
I've tried that, and its good, but no better IMHO than a well fitted braided loop.

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braided loop whipped with thread and sealed, never move. Also try to run the line inside the doubled part of the loop, then whip, this stops the loop failures

I tried them but I didn't care for them, too much bulk for me, so I tie a piece of 15lb nylon on the line found a knot in a old fishing book no needles, no nails sorted, I even tied a few up when other angler's could not fix there braids.

Robbie

What knot do you use Robbie? I noticed with the Gray's loop method that the knot itself is actually a very simple knot as used for sliding float stops - not the traditional fiddly nail knot. You can still tie a mono loop direct onto a fly line a bit like Grays loop method, using the same knot but without running the mono up the centre of the fly line. Providing you tighten carefully and make sure its all locked up it still grips the fly line well - I've tried it - not quite as neat as the loop coming from the centre of the fly line, but still pretty good. Wondering if that might actually be what you do, as its pretty simple and quick, like you say. If nothing else its a good stand by solution at the bankside providing you keep some heavy mono in your pocket.

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I find braided loops are just too heavy and spoil quiet presentation as they slam onto the water. In my experience, a length of heavy nylon needle knotted to the end of the fly line is far superior. Apart from giving better presentation, the needle knot join passes easily through the tip ring. Now I only use braided loops on fly lines with a mono core which don't accept a needle knot.

Mugsy

This is also what i find is the best method!
Make the loops youreself so the doubled part of the loop can be made to measure and much cheaper and reliable! Near impossible for them to fail

Even with my rubbish casting style, I can't get a loop to "slam onto the water". Perhaps you need to modify your casting - a couple of lessons maybe. Alternatively, modify your poetic licence

Jeff

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Location - Just outside of Nottingham - Robin Hood country!