1 the use of the same consonant (consonantal alliteration) or of a vowel, not necessarily the same vowel (vocalic alliteration), at the beginning of each word or each stressed syllable in a line of verse, as in around the rock the ragged rascal ran.
People with tattoos CAN donate blood (at least here in America they can). A person just has to wait six months after getting a tattoo before they can give blood, according to the Red Cross. This goes for piercings, too.
In the United States, you must wait 12 months after getting a tattoo or body piercing before donating blood if your state does not regulate tattoo facilities. This is because bloodborne diseases may be spread by needles, and no one has come up with a good way to vet the tattoo and piercing parlors as not re-using needles.