Dopo aver lavato lo straccio, devo strizzarlo bene prima di appenderlo.

Dopo aver lavato is a very common Italian structure meaning after washing or more literally after having washed.

It uses the past infinitive:

• aver = infinitive of avere
• lavato = past participle of lavare

Italian often uses this structure after dopo when the action is completed before the main action:

• Dopo aver lavato lo straccio, devo...
• literally: After having washed the rag, I have to...

A full clause is also possible:

• Dopo che ho lavato lo straccio, devo...

But dopo aver lavato is shorter and very natural, especially when the subject is the same.

Because straccio begins with s + consonant: str-.

In Italian, masculine singular nouns that begin with:

• s + consonant
• z
• ps
• gn
• and a few other similar sounds

usually take lo, not il.

So:

• lo straccio
• lo studente
• lo specchio

This is just the standard article pattern for that sound.

Because strizzare and appendere still need their object.

In English, you would also say:

• wash the rag
• wring it
• hang it

Italian does the same thing. Once lo straccio has been introduced, later verbs refer back to it with lo = it:

• strizzarlo = to wring it
• appenderlo = to hang it

So the lo is not extra; it is the direct object of each verb.

In Italian, object pronouns are often attached to an infinitive.

So:

• strizzare + lo → strizzarlo
• appendere + lo → appenderlo

Notice that the final -e of the infinitive drops before the pronoun is attached.

This is completely normal with infinitives and is one of the most common pronoun patterns in Italian.

Yes. Both are correct:

• Devo strizzarlo
• Lo devo strizzare

With verbs like dovere, potere, and volere, the object pronoun can usually go:

• before the conjugated verb, or
• attached to the infinitive

So both versions are natural.

However, in prima di appenderlo, you normally attach the pronoun to the infinitive. You would not say prima di lo appendere.

Because prima di + infinitive is the normal pattern when the subject is the same.

Here, the same person is doing both actions:

• I must wring it out
• I must hang it

So Italian uses:

• prima di appenderlo = before hanging it

If the subject changes, Italian usually uses prima che + subjunctive instead:

• Lo strizzo bene prima che Marco lo appenda.

So the basic contrast is:

• same subject → prima di + infinitive
• different subject → prima che + subjunctive

Because Italian often leaves subject pronouns out when they are already clear from the verb form.

Here:

• devo already means I must

So io is not necessary.

Italian is a pro-drop language, which means subject pronouns are often omitted unless you want emphasis or contrast:

• Io devo strizzarlo, non tu. = I have to wring it out, not you.

Without emphasis, just devo is enough.

Yes, but in this kind of sentence bene often means something like:

• well
• properly
• thoroughly

So strizzarlo bene suggests doing it effectively, not just a little.

In household-task contexts, bene often adds the idea of properly:

• lavarlo bene = wash it properly
• asciugarlo bene = dry it thoroughly
• strizzarlo bene = wring it out well

So it is a very natural adverb here.