Vibration mode modifier used to reduce vibration in components

Product comprising: a component (12) having a first number of natural vibrational modes; and an insert (10) which is coupled to the component, said insert (10) has a second number of natural vibrational modes; characterized, in that the second number of natural vibrational modes of the first number of natural vibrational modes is different, in order to damp vibrations in the component (12) when the component (12) vibrates; wherein the insert (10) extending lugs (30) has a body (28) and a plurality of the body (28); and wherein the interface between the insert (10) and the component (12) by a fibrous and / or particulate-containing coating is formed.