That would be a dumb accusation.
25 "For this reason I say to you, do not be worried about your life, as to what you will eat or what you will drink; nor for your body, as to what you will put on. Is not life more than food, and the body more than clothing?
28 "And why are you worried about clothing? Observe how the lilies of the field grow; they do not toil nor do they spin,
29 yet I say to you that not even Solomon in all his glory clothed himself like one of these.</quote>
Yes, here is telling people not to "worry" about their clothes. They should not be scared that they will lose material things. It doesn't say whether they can use clothes for miracles.
<quote>
2 And He sent them out to proclaim the kingdom of God and to perform healing.
3 And He said to them, "Take nothing for your journey, neither a staff, nor a bag, nor bread, nor money; and do not even have two tunics apiece.
22 And He said to His disciples, "For this reason I say to you, do not worry about your life, as to what you will eat; nor for your body, as to what you will put on.
23 "For life is more than food, and the body more than clothing
8 and He instructed them that they should take nothing for their journey, except a mere staff-- no bread, no bag, no money in their belt--
9 but to wear sandals; and He added, "Do not put on two tunics."