There are options for hissers, all have their positives and negatives. I've come to the realization that hissers are best hand feed.
Vaseline works as a barrier. also, a good dusting causes them to loose traction for an hour or so.
1.1 Ambilobe, 1.0 Nosy Be, 1.1 Ambanja, 1.0 morph, 1.1 t.johnstoni, 2.3 jacksonii.jacksonii, 0.2 Hoehnelii 1.1 Parsonii, 1.1 MD Gecko