TailEnd seems to have, random or purposefully, the shape to attach some shields. So I got ones from another equipment with some partial failure: the inferior hook goes to the right place, the bending of the side in the frame matches with the leather buckle and even the superior hook fits after some manipulation. But the space between the TailEnds and the face is too small really for a sport shield to fit; you can see how the glasses are floating over my nose 8 -( Do you have better ideas for a shield? Any custom, print3D, whatever, or other model you have tried? I could try to modify these ones, but the plastic piece of the hooks is very wide and this is the real problem... removing it, also the hooks are lost.