I figure someone else out there has had the same problems but i cant figure out how to sort this out so im hoping someone has a peice of wisdom to share

yes I second that. fg knot way less problems

Haha the classic PR vs FG debate, I've used both before and i personally rate the PR knot to come out on top.

Cheers Kingyslayer I figured that could be my problem but I got the feeling that the hitches could still be loosened over time, I'll be sure to put some weetbix into the half hitches next time.

I had the idea that I should add a locking half hitch at the end to keep the tension on in the half hitches.. Thoughts?

Another wee trick i do mate is when i start tieing the overhands or half hitches i make sure the leader is on top of the braid and really tight between my thighs and this alows the braid the bite into the leader as oppossed to the braid and also makes it easier to see which way you need to tie next if you have accidentially forgotten (always happens to me). Then once i have completely finished my PR Knot i then finish the whole knot with a "Rissuto" knot and its just dam awesome. Hope this helps mate but thats just my preference as for some reason i enjoy tieing the PR and people who have not seen it before are amazed by it when they see it completed

Snap...

My two cents worth....I used to do the finishing knot as described on my casting knot PR(one inch) but found it came undone from repetitive casting......I use that finishing knot for jigging(Boulder showed me the knot described above...has a stange name) but not for casting(accident prone gave me this tip)....make sure your last three half hitches are done up evil and I then put a dab of maverick bond on that bit(similar to super glue but better)...super glue is rigid and not waterproof and will fail....maverick bond is flexible/uv resistant and waterproof.........never had it fail and its casts great....when you cast make sure the lure is not too high up the rod....i found the knot seemed to beat the rod tip more like that.....hang it further down,,,as long as you can cast it...about a metre and a half hangin down(dependent on rod length)......if you do that and bring your rod in line quick after the cast....you quite often dont even hear the knot go through the guides and you will get further distance off your cast......do try it! plus the knot will take less punishment from the cast.You will need 2 or 3 winds of leader on your reel at least(i have 3 or 4 winds)for the above to work well.

Cheers for that laid back dude... Just out of curiosity you say the half hitches would tighten up on casting??? WHere exactly was your Knot when casting and what leader do you use?

Personally i have never had an issue with this knot at all... I use Varivas Top Water Leader 130lb and i make sure there is at least 5 wraps of leader around spool when casting so there for no tension on knot under load of rod at cast and have never ever had an issue with knots tightening. Wonder if its the leader material i use as its pretty dam soft with high memory.

If you do a google search on PR vs FG Knot you will see a fishing net thread on the FG vs PR for Topwater. Some very interesting comments there but as this thread states "Windon Leader Issues".

Rainger i hope all this information has helped mate. As you can see alot of opinions on what works best for each individual.

Titahi wrote: Sam the  knot is the same principal as Stellajigger mentions, but without needing to use a second piece of briad. After tieing the half hitches, throw a large loop away from the half hitches, ( down along side the mainline) and wrap the tag end 7 times around the mainline and one side of the loop, instead of pulling it up unwrap theside of the loop not  looped over the mainline and then pull tight. It will result in 7 tight wraps with the the line underneath the wraps exiting beside the last half hitch. pull tight and it wont come undone.   I prefer to unwrap as opposed to just pulling like a uni as it creates friction and heat which is not good for the braid.

Thanks kingislayer, learn something new all the time.... Next time I will just call it a Risuto knot :)

Rizzuto or Venezualan roll is what titahi and kingieslayer are refering to. I always finish my braid knots this way and they dont come undone

Step 10 in link below
http://www.worldseafishing.com/tackle/knots/knots_bimini.html

Another "great knots" reading is here  in these forums( written by Roddy Hayes if im not mistaken)

http://www.fishing.net.nz/index.cfm/pageid/56/view/yes/editorialID/697