Messenger 912

[Bernie]

4a. Thus one in the chain is found of other's company(8)????a???
4d Replacement size, limited edition, had been taken by force (6)??I???
10a. Lacking necessary force for eating (9)t???????r
17d Food from Scotland is hot(4)d?s?
Many thanks

[pixie374]

17 dish

[bookbinder]

4d seized

[herbage]

Sociable

[Bernie]

Many thanks for previous answers. Sorry I am only getting back now. Wi-fi problems.
A few more!
3d Marched round, not east for old Greek coin(6)d?a???.I feel it is an anagram of marched withoutthe 'e' but I would have thought D

[Bernie]

This machine is playing tricks on me tonight. I was about to type Drachma . Any alternative spelling ??

[Toorak]

Drachm

Anagram of marched minus e

[Bernie]

Many thanks Toorak.
Still looking for 10a.
With the letters I have the only word I can find is Trochlear.
1d. Indication that all is not well (7) I have symptom
2d Ignorant of situations in which one is bound to lose cover in messy gunk(9).I have unknowing.
Hence 10a I have T?o?h?e?r
Many thanks

[scorpiojo]

Toothless

[cashier]

10 Toothless?

[Bernie]

Toothless looks good.
I am wrong in 2 as a result of changing to toothless
5d. He is firm first with charged particle sticking. (8) Cohesion?
13a. Pleasure horseman has from one driving illegally(8) Joyrider fits??
Many thanks

[scorpiojo]

Yes - Co he's ion
Yes

[cashier]

Joyrides

[Bernie]

Sincere thanks to everyone for all the help.