Read this excerpt from an article about how to use chopsticks. Using chopsticks takes practice for people who haven't grown up using them. Be
sure to rest them when you're not eating. You can use a plate for this purpose.
You can ask for a fork as a replacement in most restaurants.
Which revision makes the best use of an introductory prepositional
phrase?

For this, you can use a plate for this purpose.
In most restaurants, you can ask for a fork as a replacement.
Up using them, using chopsticks takes practice for people who haven't
grown
To rest them when you're not eating, be sure.