Does anyone know where I can get a simple sidepull?

In the UK, I mean. I have seen some nice western ones on Ebay but all in the US. I want one that doesn't tighten so doesn't have crossover straps. Dancing is getting a bit resistant on turns and a bosal isn't the best thing to correct this with and anything that tightens she won't like.

on the subject of crossovers - I saw a real instrument of torture today when I went out on a pleasure ride with Kitty. It can't have been much pleasure for this horse or his rider. The horse was wearing one of those gag bits that has oblong rings that can slide up and down the mouthpiece and the reins were fitted like a Dr Cooks but THROUGH THE BIT RINGS.
The woman was practically sawing the poor horses head in half she was hanging on so tight it must have been in agony. She gave me a dirty look as she passed - me in my scruffy Western saddle and bosal and wearing jeans. She was all poshed up. INterestingly she had a girl with her, her daughter? and HER horse was in a tight, fierce gag too. There was a lot of hardware on that ride - I saw about a hundred horses but only me bitless.

I don't know the answer to getting a sidepull in the UK (try tack stores they will often order for you)

I hate going on rides and seeing so many people with crap like that. Who gets all fancy to go on a trail ride anyway? They don't call them gag bits for nothing.

People like to show off what a fancy expensive big horse they have and when you spend £300 on a pair of boots you wear them to everything.
Kitty was so good - in front of the whole lorry park she sidepassed up to the window of the ice cream van perfectly!

I'm pretty sure Loesdau send out items to UK as well... If they send to Latvia, I see no limitations
You can check out their homepage, and maybe ask the local or bigger horse equipment store if they maybe work with Loesdau's catalogs/products...
Yes, its all in German, but there are few OK translators, that could do good enough... And I can help as well, although my german is at a very basic level

here are the sidepulls I found there...
http://www.loesdau.de/websale7/Sidepull-%27Padded%27,-L-pro-West.htm?Ctx=%7bver%2f7%2fver%7d%7bst%2f3eb%2fst%7d%7bcmd%2f0%2fcmd%7d%7bm%2fwebsale%2fm%7d%7bs%2floesdau%2fs%7d%7bl%2fDeutsch%2fl%7d%7bmi%2f07%2dwesterntrensen%2fmi%7d%7bpi%2f522504%20%20%20%20%20%20%20%20%2000003%2fpi%7d%7bpo%2f1%2fpo%7d%7bfc%2fx%2ffc%7d%7bp1%2f6eb9f55d7cd707031ceb345400175d35%2fp1%7d%7bmd5%2fd680f0856651649a1f5fd9e443521a17%2fmd5%7d

http://www.loesdau.de/websale7/Sidepull-%27L-pro-West-Double%27..htm?Ctx=%7bver%2f7%2fver%7d%7bst%2f3eb%2fst%7d%7bcmd%2f0%2fcmd%7d%7bm%2fwebsale%2fm%7d%7bs%2floesdau%2fs%7d%7bl%2fDeutsch%2fl%7d%7bmi%2f07%2dwesterntrensen%2fmi%7d%7bpi%2f5223%20%20%20%20%20%20%20%20%20%20%2000003%2fpi%7d%7bpo%2f1%2fpo%7d%7bfc%2fx%2ffc%7d%7bp1%2f6eb9f55d7cd707031ceb345400175d35%2fp1%7d%7bmd5%2fcb10ec83033e5d747903b5f59003a995%2fmd5%7d

http://www.loesdau.de/websale7/Sidepull,-Linda-Tellington-Jones..htm?Ctx=%7bver%2f7%2fver%7d%7bst%2f3eb%2fst%7d%7bcmd%2f0%2fcmd%7d%7bm%2fwebsale%2fm%7d%7bs%2floesdau%2fs%7d%7bl%2fDeutsch%2fl%7d%7bmi%2f07%2dwesterntrensen%2fmi%7d%7bpi%2f5221%20%20%20%20%20%20%20%20%20%20%2000004%2fpi%7d%7bpo%2f2%2fpo%7d%7bfc%2fx%2ffc%7d%7bp1%2f6eb9f55d7cd707031ceb345400175d35%2fp1%7d%7bmd5%2f64eb99b23934cd21e261b3ac7b80cb89%2fmd5%7d

http://www.loesdau.de/websale7/Sidepull-%27L-pro-West-Natural%27.htm?Ctx=%7bver%2f7%2fver%7d%7bst%2f3eb%2fst%7d%7bcmd%2f0%2fcmd%7d%7bm%2fwebsale%2fm%7d%7bs%2floesdau%2fs%7d%7bl%2fDeutsch%2fl%7d%7bmi%2f07%2dwesterntrensen%2fmi%7d%7bpi%2f52377%20%20%20%20%20%20%20%20%20%2000005%2fpi%7d%7bpo%2f3%2fpo%7d%7bfc%2fx%2ffc%7d%7bp1%2f6eb9f55d7cd707031ceb345400175d35%2fp1%7d%7bmd5%2f312ce87bb3fd815601b4b20fe2bd3192%2fmd5%7d

http://www.loesdau.de/websale7/Sidepull-%27Plain-Double%27,-L-pro-West.htm?Ctx=%7bver%2f7%2fver%7d%7bst%2f3eb%2fst%7d%7bcmd%2f0%2fcmd%7d%7bm%2fwebsale%2fm%7d%7bs%2floesdau%2fs%7d%7bl%2fDeutsch%2fl%7d%7bmi%2f07%2dwesterntrensen%2fmi%7d%7bpi%2f52397%20%20%20%20%20%20%20%20%20%2000002%2fpi%7d%7bpo%2f5%2fpo%7d%7bfc%2fx%2ffc%7d%7bp1%2f6eb9f55d7cd707031ceb345400175d35%2fp1%7d%7bmd5%2f3eac47ad8fbf6b8e05f397686349c7c4%2fmd5%7d

http://www.loesdau.de/websale7/Sidepull-%27Natural-Double%27,-L-pro-West.htm?Ctx=%7bver%2f7%2fver%7d%7bst%2f3eb%2fst%7d%7bcmd%2f0%2fcmd%7d%7bm%2fwebsale%2fm%7d%7bs%2floesdau%2fs%7d%7bl%2fDeutsch%2fl%7d%7bmi%2f07%2dwesterntrensen%2fmi%7d%7bpi%2f522509%20%20%20%20%20%20%20%20%2000001%2fpi%7d%7bpo%2f6%2fpo%7d%7bfc%2fx%2ffc%7d%7bp1%2f6eb9f55d7cd707031ceb345400175d35%2fp1%7d%7bmd5%2fd5866ea607fc47b24d4efc5dbdbfadcb%2fmd5%7d

(terrible terrible looong links, sorry...)