I'm still at the office doing the thinking

that's why I'm asking. I also saw that Randy Oliver uses sm. like that on feeding a protein mixture that's not as fluid as sugar syrup.
I will try it when I get back home. If I can find the right size drill, I think would make a good feeder for my nucs. I'm not yet sure if having flexible walls will accelerate the dripping of the syrup.
I'm thinking on using migratory covers with this kind of feeding system for the future. I'm still doing a lot of thinking and considering all the alternatives. I really appreciate the simple and effective ones. During the winter I will just put a styrofoam board upon them to avoid condensation and a round hole on the top of the hive as Michael Palmer uses. I bought a drill the size of a wine cork

so I can easily cover the hole when I don't need it without having to build supplementary gear... just that I need to drink enough bottles of wine till winter comes

).