Cherrybim wrote: “When we touch a davar sh’bikdusha, the holiness is tranferred over to our hand and we can kiss it, i.e., kissing: a sefer; a mezuzah; sefer torah; t’felin; s’fardim kiss their hand after shaking the hand of an adom chashuv.
The order is never reversed; we do not kiss our hand and touch it to the object.”
Years ago, I remember one of my Rebbeim telling our shiur that it’s acceptable to kiss the Sefer Torah by touching it with a hand and then kissing the hand only if that is how one kisses his wife.