Thinline all the way! I have contour (standard, not ultra) for several years already, and I can tell the landing feels different with and without one (for the horse too). One of the few "gimmicks" in my tack box I never regretted I spend all those money on. :)
"Life isn't about waiting for the storm to pass: it's about learning to dance in the rain..."
"When we are no longer able to change a situation - we are challenged to change ourselves."
"How people treat you is their karma; how you react is yours."