You need to answer a given question containing a blank (_). Your answer must be one of the two objects mentioned in the question, for example "trophy" and "suitcase". Your answer must not contain a word that is not present in the question. Please don't use articles (e.g., the, a) before the answer.

The girl used the crimper more than the straight iron because the _ made her hair straight.
iron

The bag was used to collect some water and emptied to the pot but to out disappointment we met nothing in the pot. The _ is  watertight.
bag

The scraper was thrown out in lieu of a collector as the _ was a hassle to keep up.

scraper