Supporters are figures or objects usually placed on either side of the shield. The figures used as supporters may be based on real or imaginary animals - human figures - plants - pillars etc. There is usually one supporter on each side of the shield, there are rare examples of single supporters placed behind the shield.
References material are taken from following heraldry publications a.) A practical manual of heraldry and of heraldic illuminations - publish 1864 b.) A dictionary of heraldry - published 1889 c.) The elements of heraldry - published 1866 d.) A complete guide of heraldry - published 1909