Kite&Wing on Instagram: "Sand is the enemy of your wing. Keeping sand out of your bladder can easily double the life of your wing. Most slow leaks don’t come from crashes — they come from sand inside the bladder. ✓ Close the valve immediately after deflating ✓ Never leave valves open on the beach ✓ Roll your wing with the valves closed ✓ Shake off sand before packing ✓ Remember: wind can blow sand straight into open valves ⚠️ Important: Sand inside the bladder acts like sandpaper. Over time it c