Innovative Percussion Thomas Burritt Series Marimba Mallets are designed to let you control subtle timbres during a performance, with a minimum of attack sound (even with the harder models).
These mallets are created by attaching a synthetic core to a ramin handle (with a classy walnut stain), loosely wrapped with a very soft yarn.
The TB5 Hard mallets are particularly effective for Japanese literature and anything written in the early lifetime of the Western marimba.