...or is it just me...

This flail is massive, both in size and length. Dark scales line the
barbed wires, five total that are either heavily stained with blood or
naturally a crimson tone. The haft is twined together with strips of
boar hide, and it is bent to fit the grip of a massive creature. It
was said to be the weapon of 'slumber' as it put many a foe into
eternal slumber upon facing such a weapon.

A drake-scaled flail named, 'crimson slumber' is a flail, made of iron, and weighs 3 pounds 15 ounces.