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That's a line from a poem by Fernando Pessoa in the voice of Alberto Caeiro, and it's part of the self-revision of my translations The first two stanzas go like this:

"No meu prato que mistura de Natureza!
As minhas irmãs as plantas,
As companheiras das fontes, as santas
A quem ninguém reza...

E cortam-se e vêm à nossa mesa
E nos hotéis os hóspedes ruidosos,
Que chegam com correias tendo mantas
Pedem "Salada", descuidosos…,
Sem pensar que exigem à Terra-Mãe
A sua frescura e os seus filhos primeiros, (...)"

At first, I thought he was referring to some sort of fleece halter, but additional research proved me wrong. Check this out:

correia: Cada uma das tiras do arreio de uma cavalgadura (Aulete) (EN: "strap"?)
manta: Pano que se põe por baixo do selim. (Priberam) (EN: "saddle pad"?)
Picture of a "manta" (under section 2): https://pt.wikihow.com/Equipar-um-Cavalo

The website LuckyPony.com explains that "[t]he billet strap on a saddle pad is usually a strip of nylon webbing with a loop at the end". I was intrigued by the use of "tendo" as in "correias tendo mantas". That sounds like an unusual construction, at least in PT-Br. If I were to rephrase it, I would say "mantas que estavam presas por correias". "Attached to" might be a good translation for "tendo", but it seems to be irrelevant in poetic translation. Of course, in the process of paraphrasing, one destroys the beauty of the poem. :-)

In my perception, the term phrase in question conjures up an image of guests arriving on horseback at the hotels. The poem was written in 1914, roughly 30 years after the invention of the automobile. So at that time, it's unlikely that guests would drive to a hotel.

To make a long story short, I thought of translating the phrase as "Who arrive on their strapped saddle pads" or "... saddle blankets". Does it make sense? If not, please explain and, if possible, provide a translation that you think is more appropriate. Whatever translation you come up with has to fit well with the rest of the poem. Thank you.

Here is my translation draft:

"On my plate what a mix of Nature!
My sisters, the plants,
Companions of the water springs, saints
No one prays to...

And cut, they are served on our tables
And in the hotels, the noisy guests,
Who arrive on their strapped saddle pads,
Order their salads, with no regrets...,
Not thinking they are taking from Mother Earth
Her freshness and her first-born produce, (...)"
© Oliver Simões