Breastplates- so many different types!

[Sabrina&Stardust]

Hey guys, just wondering if any of you know about all the different types of breastplates? I was just looking online and can't believe how many there are!?
So maybe you could say what the types listed below are used for and the advantages and disadvantages to each of them please? If you can think of any other types then please list those as well!

5 point breastplate:

http://http://www.ebay.co.uk/itm/FIVE-point-leather-with-genuine-sheepskin-lined-elasticated-Eventing-Breastplate-/221113961831?pt=UK_Horse_Wear_Equipment&var=&hash=item337b6b4d67

Hunt breastplate / 3 point

http://www.ebay.co.uk/itm/GREAT-VALUE-GREAT-PRICE-BLACK-HUNTING-BREASTPLATE-DETACHABLE-MARTINGALE-FULL-/160836855238?pt=UK_Horse_Wear_Equipment&hash=item25729fa5c6


Breastcollar/ Polo breastplate

http://http://www.horze.co.uk/Horze_Professional_Polo_Breastplate/10850-BR-F,en_GB,pd.html


Breastgirth/ Loop breastplate

http://www.ebay.co.uk/itm/SHIRES-FOLDED-LEATHER-BREASTGIRTH-FULL-SIZE-BLACK-HALF-PRICE-/300611707807?pt=UK_Horse_Wear_Equipment&hash=item45fddaa39f

Showjumping breastplate (with martingale attachment):

http://www.dogwoodlondon.co.uk/shop/horse-tack/martingales-breastplates/equipe-elasticated-jumping-breastplate-bp01.html

Thanks