The poetic techniques that are illustrated in the opening lines of this poem are personification and enjambment.
Personification is when inanimate objects have human qualities, such as <em>and my skin has betrayed me.
</em>Enjambment is when the though found in one line is transferred into the following one, such as in <em>still sucks his thumb/in secret.</em>
Answer: look in the comments for the answer if it's still there please I wrote it myself and thought it was pretty good to make up one on the spot u might have to scroll up a bit to find it but it's there