I’ve seen a lot of women (mostly Israeli) kiss their fingertips after covering their eyes for Shma. Is there a source for it or is that just another minhag that got picked up for no reason at all? I’ve asked around but either people don’t know what I’m talking about or they just say they do it because that’s how they were taught...
Some cover their eyes with the edge of their fingers when reading the verse of the Shema and then Kiss the fingers when finished.
The index, middle and and ring finger are flexed to form the letter Shin, the tumb is bent to form the letter Dalet and the fifth finger is bent to form a Yod; and thus spell Shadai.
During the first two paragraphs of the Sh’ma when we say: Bind them as a sign upon your hand, and as a reminder above your eyes (first paragraph) & Bind them as a sign upon your hand; let them be a reminder above your eyes (second paragraph)
It is the custom (from the Shulchan Aruch) to touch the Tefila shel yad (hand) and kiss your fingers as you say “upon your hand” and touch the Tefila shel rosh (head) and kiss your fingers as you say “above your eyes”. Many people are conscious of this on Shabbat while not actually making this motion.