I think it IS OKAY
A haversack is different from a backpack in many ways. For example, a haversack only has one strap to hold the bag on one's shoulder, while a backpack has two.
Sling bag?
He got it nowhere! : P
Either get two belts and wear one normally and the other across your shoulder or buy a military shoulder strap.
The best features of a one strap backpack purse include its convenience, versatility, and stylish design. It offers the functionality of a backpack with the ease of a purse, making it suitable for various occasions. Compared to traditional backpacks, one strap backpack purses are typically smaller in size and more fashionable. They also provide easier access to belongings compared to traditional purses.
Carrying a backpack on one shoulder during long walks can cause discomfort and strain on your shoulder and back muscles. It is not recommended for extended periods as it can lead to posture issues and potential injuries.
A messenger bag is a type of backpack. It is made of cloth and has a strap to wear over the shoulder and around one's chest. This type of bag is also called a "Carryall". Messengers or couriers use them to carry bulky items easily.
To prevent back pain while wearing a backpack on one shoulder, try to distribute the weight evenly by using both shoulder straps. Adjust the straps to fit snugly and close to your body. Also, consider using a backpack with padded straps and a waist belt for added support. Lastly, try to limit the weight of the backpack and avoid carrying unnecessary items.
To fix a broken backpack strap buckle, you can try replacing the buckle with a new one of the same size and type. You may need to sew or attach the new buckle securely to the strap. Alternatively, you can also try using a strong adhesive or tape to temporarily fix the buckle until you can replace it.
In the beginning of the Corduroy book, Corduroy only has one button on one shoulder strap of his pants. Corduroy tries to find the missing button. The next day, a girl buys Corduroy, takes him home, and sews a button on his other shoulder strap.
You might be thinking of a messenger bag which the strap is on one shoulder and it goes across your body and the weight is on the other side of your body
The satchel purse - The satchel purse is a scaled-down version of this that loses the two shoulder straps for the over the shoulder strap. The satchel purse also features an adjustable shoulder strap, a flap covering, and numerous stylish pockets that outline the front exterior of the bag.