Answer:
We are five little objects of an everyday sort, You will find us all in a tennis court.
What binds two people yet touches only one?
Always old, sometimes new. Never sad, sometimes blue. Never empty, sometimes full. Never pushes, always pulls.
Iron roof, glass walls, burns and burns and never falls.
My first is in wield, sever bones and marrow. My second is in blade, forged in cold steel. My third is in arbalest, and also in arrows. My fourth is in power, plunged through a shield. My fifth is in honor, and also in vows My last will put an end to it all.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?