My hands bounce a lot what can I do to correct that problem?

Bouncing hands are one of the most immediately impactful position problems in riding because every bounce of the hand transmits directly through the rein to the horse's mouth — a mouth that is among the most sensitive structures the rider has contact with — and the repeated unintended pressure and release that bouncing hands create produces the kind of inconsistent communication that confuses the horse's responses, hardens the mouth over time, and makes precise rein aids genuinely impossible to deliver. The cause of bouncing hands is almost never in the hands themselves — it is in whatever is above and below the hands that is failing to absorb the movement before it reaches them. The hands are the end of a kinetic chain that begins at the rider's seat and travels through the lower back, the core, the shoulder, the upper arm, and the elbow before reaching the hands, and any failure to absorb movement at any point in that chain transmits the unabsorbed movement to the next point and eventually to the hands. The elbow is the most important single element for hand stability. The elbow that is bent — maintained in a soft following angle — creates the shock-absorbing hinge that absorbs movement traveling down the arm before it reaches the hand. The elbow that is locked straight or pulled back against the body creates a rigid connection between the shoulder and the hand that transmits every movement of the upper body directly to the hand without absorption. Consciously maintaining the soft bent elbow throughout the ride — checking it regularly as a position element that deserves as much attention as the heel position — is the single most effective hand-stabilizing correction available to most riders with bouncing hands. The seat is the upstream source that determines how much movement the arms and hands must absorb. A rider who is genuinely following the horse's movement through a soft swinging lower back and following hip generates significantly less involuntary upper body movement that has to be managed by the arms. Improving the seat — through longe line work, no-stirrup work, and the physical development of lower back and hip mobility — reduces the demand on the arms and hands and allows the elbow's natural following to be sufficient for producing genuinely still hands. A practical exercise for developing hand stability is to ride while consciously imagining that the hands are holding a full glass of water that must not be spilled. This mental image naturally produces the soft level following hand movement that actual stillness requires — not the rigid fixed hand that true stillness would mistakenly suggest, but the elastic following stillness that moves with the horse rather than against him.