The eyelids are close fitting and should not droop. Interruption of either pathway will result in eyelid droop (ptosis). In large trees, the lower branches droop downwards. Birds affected by strychnine poisoning exhibit wing droop, salivation, tremors, muscle tenseness, and convulsions. The three sepals, which are usually spreading or droop downwards, are referred to as "falls". Left unpruned it grows long thin branches that eventually droop down onto the ground. However, contrary to headwear of the Song dynasty, the flaps droop down. The upper branches of the tree tend to droop. Toe in under bump, and out under droop. In droop speed control, if the frequency decreases, the power is increased. Longer (or thicker) ears are more likely to droop. He is billed as "Pic Withers" on his appearance on the second Brewers Droop album. Light output decreases gradually over the lifetime of the LED (see Efficiency droop section). Do they droop when they are wet? As the injected muscle is not actually well-developed, it might droop under gravity.