I can give you several sentences.That leather will stiffen if you let it get wet.I felt him stiffen in shock as he saw the boss walk in unexpectedly.You can stiffen lace by adding starch.
I/you/we/they stiffen. He/she/it stiffens.
Loosen up is the opposite of stiffen up.
To stiffen fabric for outdoor use effectively, you can use a fabric stiffener spray or a mixture of water and white glue. Simply spray or brush the stiffener onto the fabric, then allow it to dry completely. This will help the fabric maintain its shape and durability when used outdoors.
To stiffen a leather bag, you can use a leather stiffening spray or apply a leather stiffening solution to the inside of the bag. Make sure to follow the product instructions carefully to achieve the desired stiffness.
Use a heavier weight
lack of potassium
they clean the insides of the body then they use this pacific kind of liquid to stiffen the body and rap cloth around the body.
stiff
set, solidify, stiffen, :)
the molecues stiffen up
Yes it normal for infants to stiffen when crying or screaming. It is caused by the action of crying (try screaming really loud and you will find that you tense your body), they also stiffen if they do not want to be picked up. As long as the stiffness does not last beyond the crying there is nothing to worry about.