Arrangements - Debrused and Fret

Occasionally when looking through period heraldry texts, one comes across charges in interesting arrangements not often seen in SCA heraldry. One such is 'debrused and fret'.

Hee beareth Or, a Lyon rampannt d'Ermine, debrused with two Barruletes, & fret with the thirde Sable.

Another notable feature of this device, from Bossewell's 1572 Workes of Armorie, is a living charge of complicated shape with an attractive