Answer:
Long and think, red within, with a nail at the end.
Reaching stiffly for the sky, I bare my fingers when its cold. In warmth I wear an emerald glove and in between I dress in gold.
What can be heard and caught but never seen?
Salty water everywhere but not sea in sight.
Gets rid of bad ones, short and tall. Tightens when used, one size fits all.
What never gets any wetter no matter how hard it rains?