A Rumāl is a piece of clothing similar to a handkerchief

Handkerchief

A handkerchief , also called a handkercher or hanky, is a form of a kerchief, typically a hemmed square of thin fabric that can be carried in the pocket or purse, and which is intended for personal hygiene purposes such as wiping one's hands or face, or blowing one's nose...

 or bandana

Bandana

Bandana can refer to:*Another name for a kerchief*Bandana *Bandana *Bandana, Kentucky, a small town in the United States*Y Bandana, a Welsh alternative rock band.**Y Bandana , their self-titled debut album....

. It is worn by Sikh

Sikh

A Sikh is a follower of Sikhism. It primarily originated in the 15th century in the Punjab region of South Asia. The term "Sikh" has its origin in Sanskrit term शिष्य , meaning "disciple, student" or शिक्ष , meaning "instruction"...

 men who cut their hair and other male guests when they are in a Gurdwara

Gurdwara

A Gurdwara , meaning the Gateway to the Guru, is the place of worship for Sikhs, the followers of Sikhism. A Gurdwara can be identified from a distance by tall flagpoles bearing the Nishan Sahib ....

. Covering the head is respectful in Sikhism

Sikhism

Sikhism is a monotheistic religion founded during the 15th century in the Punjab region, by Guru Nanak Dev and continued to progress with ten successive Sikh Gurus . It is the fifth-largest organized religion in the world and one of the fastest-growing...

 and if a man is not wearing a turban

Turban

In English, Turban refers to several types of headwear popularly worn in the Middle East, North Africa, Punjab, Jamaica and Southwest Asia. A commonly used synonym is Pagri, the Indian word for turban.-Styles:...

, then a rumāl must be worn before entering the Gurdwara.

In most Gurdwaras, there is often a basket of rumāls outside for welcoming in more guests. If there are no rumāls supplied by the Gurdwara then a clean and plain handkerchief is the most suitable cloth to use.

Rumāl for Non-Sikhs

Outside the context of Sikhism, a rumāl is simply the Hindi

Hindi

Standard Hindi, or more precisely Modern Standard Hindi, also known as Manak Hindi , High Hindi, Nagari Hindi, and Literary Hindi, is a standardized and sanskritized register of the Hindustani language derived from the Khariboli dialect of Delhi...

, Nepali

Nepali language

Nepali or Nepalese is a language in the Indo-Aryan branch of the Indo-European language family.It is the official language and de facto lingua franca of Nepal and is also spoken in Bhutan, parts of India and parts of Myanmar...

 and Bengali

Bengali language

Bengali or Bangla is an eastern Indo-Aryan language. It is native to the region of eastern South Asia known as Bengal, which comprises present day Bangladesh, the Indian state of West Bengal, and parts of the Indian states of Tripura and Assam. It is written with the Bengali script...

 word for handkerchief, and will be understood as such. Its association with Sikhism is not implied.

Rumāl Weapon

It was used by the Thugees in India as a method of strangulation. A coin was placed in the scarf, and it could be swung around the neck of the victim, to kill the other person in honor of goddess Kali

Kali

' , also known as ' , is the Hindu goddess associated with power, shakti. The name Kali comes from kāla, which means black, time, death, lord of death, Shiva. Kali means "the black one". Since Shiva is called Kāla - the eternal time, Kālī, his consort, also means "Time" or "Death" . Hence, Kāli is...

.In the 1970's television series Dad's Army

Dad's Army

Dad's Army is a British sitcom about the Home Guard during the Second World War. It was written by Jimmy Perry and David Croft and broadcast on BBC television between 1968 and 1977. The series ran for 9 series and 80 episodes in total, plus a radio series, a feature film and a stage show...

, Corporal Jones

Lance-Corporal Jack Jones

Lance Corporal Jack Jones is a fictional Home Guard platoon lance-corporal, veteran of the British Empire and butcher portrayed by Clive Dunn in the BBC television sitcom Dad's Army...

 attempts to strangle an officer in the episode "We Know Our Onions

We Know Our Onions

We know our Onions is the fourth episode of the sixth series of the British comedy series Dad's Army that was originally transmitted on the 21 November 1973.-Synopsis:...

".